121768479

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3889}}^1$

素因数の和:3980

約数の個数: 36

約数和(自身を含む): 207539280

約数和(自身を除く): 85770801

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 3889, 4473, 10437, 11667, 27223, 31311, 35001, 81669, 190561, 245007, 276119, 571683, 828357, 1715049, 1932833, 2485071, 5798499, 13529831, 17395497, 40589493, 121768479]

約数ペア:

[(1, 121768479), (3, 40589493), (7, 17395497), (9, 13529831), (21, 5798499), (49, 2485071), (63, 1932833), (71, 1715049), (147, 828357), (213, 571683), (441, 276119), (497, 245007), (639, 190561), (1491, 81669), (3479, 35001), (3889, 31311), (4473, 27223), (10437, 11667)]